America will never again have as a nation the spirit of adventure as it ___ before the West was set
题目
America will never again have as a nation the spirit of adventure as it ___ before the West was set
这道题选什么 为什么?请各位英语牛人赐教
America will never again have as a nation the spirit of adventure as it
___ before the West was settled.
A has B did C was D would
答案
B 用do代指上文提到的动作,因为过去时,所以用did
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 已知实数A,B,C满足A+B+C=0,ABC大于0,且X=A/|A|+B/|B|+C/|C|,Y=A(1/B+1/C)+B(1/C+1/A)+C(1/A+1/B
- Music is something that everybody likes.为什么填that 不填which
- 甲、乙、丙三辆汽车以相同速度经过某一路标.从此时开始甲车一直做匀速直线运动,乙车先加速后减速,丙车先减速后加速,它们经过下一个路标时速度都相同,则( ) A.甲车先通过下
- 液体压强公式可以叫流体压强公式
- have sb doing与have sth done的用法
- 晏殊 “元是今朝斗草赢”中YUAN是“元”还是“原”
- 已知正项数列{an}的前n项和为Sn,且an和Sn满足:4Sn=(an+1)^2 (n=1,2,3.)
- 空间几何体的解题
- 实验室有一瓶存放时间长的氢氧化钠,其中一部分已经转化成了碳酸钠.现在用该药品配置10%的氢氧化钠溶液.取50.6g该药品,溶入200ml水中,然后慢慢地滴加17.1%氢氧化钡溶液,当用去100g氢氧化
- the simpler way of better work 怎么翻译比较好听 希望可以做成SLOGAN来用